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Thinkre™ PEM for Electroplating or Electrolysis

NEPEM Composite ion exchange membrane for electrolysis or electroplating

Category:

Thinkre™ Perfluorosulfonic PEM


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Description

 

Unique tape casting process with appropriate molecular weight and ion exchange capacity of perfluorosulfonic acid resin is used to form homogeneous membrane with uniform thickness It is widely used in electrolytic chlorine dioxide generator, etching solution recovery copper, gold salt preparation, amino acid refining, caustic soda preparation, electrodialysis and other electrolytic industries.
 

   Thickness and Basis Weight Properties

Membrane Type

Thickness(microns) (μm)

Weight(g/m2)

N-417

260

340

N-4110

360

470

 

   Physical and Other Properties

Physical and Other Properties

Index Parameters

Test Method

TensileTest (23°C, 50% RH)

 

 

Tensile Strength(MPa)

>40

GB/T 20042.3-2022

Elongation at break(%)

3100

GB/T 20042.3-2022

Specific Gravity

1.35

Other Properties

Index Parameters

Test Method

Conductivity(S/cm)

>0.100

GB/T 200423-2022

Acid Capacity(meq/g)

1.00±0.05

GB/T 200423-2022

 

   Hydrolytic Propertie

Hydrolytic Properties

Index Parameters

Test Method

Water Content

5.0±3.0

GB/T 20042.3-2022

Water Uptake)(%)

50.0±5.0

GB/T 20042.3-2022

(23°C, 50% RH)Thickness Change, % increase

23°C  soaked (%)from50% RH

≤5

GB/T 200423-2022

100°C soaked (%)from50% RH

≤10

GB/T 200423-2022

Linear expansion, % increase(23°C, 50% RH)

23°C soaked from 50% RH

≤2

GB/T 20042.3-2022

100°C soaked from 50% RH

≤5

GB/T 20042.3-2022

 

   Measurements taken with membrane conditioned to 23°C, 50% RH.

   Conductivity measurements a 23 °C, 100% RH.

   A base titration procedure mea sures the equ ivalentsof sulfonic acid in the polymer, and uses the measu rement to ca leu late the acid capacity or equivalent weight of the pure polymer.

   Water content of membrane conditioned to 23 °C and 50% RH (dry weight basis).

   Wateruptakefromdrymembraneto conditioned inwaterat 100 °C fori hour (dry weight basis).